def IsInitializerList()

in cpplint.py [0:0]

• 14 lines of code
• 9 McCabe index (conditional complexity)

def IsInitializerList(clean_lines, linenum):
    """Check if current line is inside constructor initializer list.

  Args:
    clean_lines: A CleansedLines instance containing the file.
    linenum: The number of the line to check.
  Returns:
    True if current line appears to be inside constructor initializer
    list, False otherwise.
  """
    for i in xrange(linenum, 1, -1):
        line = clean_lines.elided[i]
        if i == linenum:
            remove_function_body = Match(r'^(.*)\{\s*$', line)
            if remove_function_body:
                line = remove_function_body.group(1)

        if Search(r'\s:\s*\w+[({]', line):
            # A lone colon tend to indicate the start of a constructor
            # initializer list.  It could also be a ternary operator, which
            # also tend to appear in constructor initializer lists as
            # opposed to parameter lists.
            return True
        if Search(r'\}\s*,\s*$', line):
            # A closing brace followed by a comma is probably the end of a
            # brace-initialized member in constructor initializer list.
            return True
        if Search(r'[{};]\s*$', line):
            # Found one of the following:
            # - A closing brace or semicolon, probably the end of the previous
            #   function.
            # - An opening brace, probably the start of current class or namespace.
            #
            # Current line is probably not inside an initializer list since
            # we saw one of those things without seeing the starting colon.
            return False

    # Got to the beginning of the file without seeing the start of
    # constructor initializer list.
    return False